1 /* 2 * Copyright 2021 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import Foundation 18 19 public final class FlatBuffersUtils { 20 21 /// Gets the size of the prefix 22 /// - Parameter bb: Flatbuffer object getSizePrefixnull23 public static func getSizePrefix(bb: ByteBuffer) -> Int32 { 24 bb.read(def: Int32.self, position: bb.reader) 25 } 26 27 /// Removes the prefix by duplicating the Flatbuffer 28 /// - Parameter bb: Flatbuffer object removeSizePrefixnull29 public static func removeSizePrefix(bb: ByteBuffer) -> ByteBuffer { 30 bb.duplicate(removing: MemoryLayout<Int32>.size) 31 } 32 } 33